1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/mut/mutable-class-fields-2.stderr b/tests/ui/mut/mutable-class-fields-2.stderr
new file mode 100644
index 00000000000..c53c6ea302c
--- /dev/null
+++ b/tests/ui/mut/mutable-class-fields-2.stderr
@@ -0,0 +1,14 @@
+error[E0594]: cannot assign to `self.how_hungry`, which is behind a `&` reference
+  --> $DIR/mutable-class-fields-2.rs:9:5
+   |
+LL |     self.how_hungry -= 5;
+   |     ^^^^^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written
+   |
+help: consider changing this to be a mutable reference
+   |
+LL |   pub fn eat(&mut self) {
+   |              ~~~~~~~~~
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0594`.